adjective规则的,有规律的;定期的;频繁的,经常的;(动词、名词等)规则的,按规则变化的;通常的,平常的
adjectivehappening again and again with the same amount of space or time in between
adjectivegoing somewhere or doing something often
adjectiveA word that is regular has the usual verb forms or plural
adjectiveusual